The masses of two planets and are in the ratio while their radii are in the ratio

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

The masses of two planets

A

and

B

are in the ratio

2:3

while their radii are in the ratio

1:2

. Find the ratio of the acceleration due to gravity at their respective surfaces,

g_A : g_B

, and state which planet has the greater surface gravity.